During the course you can not walk around the classroom because it would obstruct others science.Others students could not focus on science and that nobody knew nothing of the next lesson.All dispersed to their attention to the person who moves to the classroom. Each of the students he would be in place at the teacher explaining the concept is important for a student who is moving because they would be curious what he does.Obstruct is also a teacher who also has to be focused so as not to be confused with translation lesson. Likewise, do not play in the classroom seems to be something that sounds even worse because it would interfere with the lesson because students do not listen to the teacher or even he would not be heard.
